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PeterDonis's latest activity
PeterDonis
replied to the thread
I
Freqeuncy of Matter Waves Approaches Infinity as Velocity Approaches c
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Where? Please give a reference.
Apr 29, 2024
PeterDonis
replied to the thread
B
Big Crunch in an infinite, symmetrical, Newtonian universe?
.
The reason I asked is that I am not aware of any relevant model in which there is "shrinking speed around the origin".
Apr 29, 2024
PeterDonis
replied to the thread
B
Big Crunch in an infinite, symmetrical, Newtonian universe?
.
We already know the result: this is the 1939 Oppenheimer-Snyder dust collapse model. The dust collapses to form a Schwarzschild black...
Apr 29, 2024
PeterDonis
reacted to
Demystifier's post
in the thread
I
Double slit with particles so heavy that they curve spacetime
with
Like
.
Electrodynamics (interaction of EM field with charged fields) is also nonlinear, but quantum electrodynamics is linear and the...
Apr 29, 2024
PeterDonis
reacted to
Demystifier's post
in the thread
A
Feynman rules for Entangled photons
with
Like
.
When you have two entangled photons, there is no such thing as amplitude of photon 1. There is only an amplitude for both photons together.
Apr 29, 2024
PeterDonis
replied to the thread
I
Double slit with particles so heavy that they curve spacetime
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I don't think either of these is developed to the point where they make any definite prediction for such a scenario.
Apr 28, 2024
PeterDonis
replied to the thread
I
Double slit with particles so heavy that they curve spacetime
.
Moderator's note: Thread moved to the beyond the standard models forum.
Apr 28, 2024
PeterDonis
replied to the thread
I
Double slit with particles so heavy that they curve spacetime
.
Which would not be a good source for actual science.
Apr 28, 2024
PeterDonis
replied to the thread
A
Mixed quantum state of the Bose-Einstein distribution
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Where do these notes talk about a Bose-Einstein distribution? What makes you think the "Bose-Einstein distribution" is a mixed quantum...
Apr 28, 2024
PeterDonis
replied to the thread
A
Mixed quantum state of the Bose-Einstein distribution
.
What quantum state are you talking about? Do you have a reference?
Apr 28, 2024
PeterDonis
reacted to
Orodruin's post
in the thread
A
What does Dirac mean by "the suffixes would not balance"?
with
Like
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It should also be pointed out that both ##\epsilon## (as defined by Weinberg) are tensor densities of weight -1. The metric determinant...
Apr 28, 2024
PeterDonis
reacted to
Orodruin's post
in the thread
A
What does Dirac mean by "the suffixes would not balance"?
with
Like
.
Are you sure? Your posts in this thread really suggest that you do not. This is a very particular case. First of all, ##\epsilon## is...
Apr 28, 2024
PeterDonis
replied to the thread
B
Big Crunch in an infinite, symmetrical, Newtonian universe?
.
After some cleanup, thread is reopened.
Apr 28, 2024
PeterDonis
replied to the thread
I
If we had a TOE, would we be able to explain why there is something rather than nothing?
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Thread closed.
Apr 28, 2024
PeterDonis
replied to the thread
I
If we had a TOE, would we be able to explain why there is something rather than nothing?
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We won't know the answer to this unless and until we discover a TOE.
Apr 28, 2024
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